KVM: MMU: Drop unused return value of kvm_mmu_remove_some_alloc_mmu_pages

freed_pages is never evaluated, so remove it as well as the return code
kvm_mmu_remove_some_alloc_mmu_pages so far delivered to its only user.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 7a8e99c6dc810338cf8b4a379a23693a7e84598f..2a2a9b40db199dd49c99af48d9e2c25bc4acd440 100644 (file)
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3890,14 +3890,14 @@ restart:
        spin_unlock(&kvm->mmu_lock);
 }
 
-static int kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm,
-                                              struct list_head *invalid_list)
+static void kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm,
+                                               struct list_head *invalid_list)
 {
        struct kvm_mmu_page *page;
 
        page = container_of(kvm->arch.active_mmu_pages.prev,
                            struct kvm_mmu_page, link);
-       return kvm_mmu_prepare_zap_page(kvm, page, invalid_list);
+       kvm_mmu_prepare_zap_page(kvm, page, invalid_list);
 }
 
 static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc)
@@ -3912,15 +3912,15 @@ static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc)
        raw_spin_lock(&kvm_lock);
 
        list_for_each_entry(kvm, &vm_list, vm_list) {
-               int idx, freed_pages;
+               int idx;
                LIST_HEAD(invalid_list);
 
                idx = srcu_read_lock(&kvm->srcu);
                spin_lock(&kvm->mmu_lock);
                if (!kvm_freed && nr_to_scan > 0 &&
                    kvm->arch.n_used_mmu_pages > 0) {
-                       freed_pages = kvm_mmu_remove_some_alloc_mmu_pages(kvm,
-                                                         &invalid_list);
+                       kvm_mmu_remove_some_alloc_mmu_pages(kvm,
+                                                           &invalid_list);
                        kvm_freed = kvm;
                }
                nr_to_scan--;